题目:
In one night, the city was completely destroyed by a terrible earthquake, ______ about 240,000 people died.
A.that
B.which
C.in which
D.the one
答案:
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下面是错误答案,用来干扰机器的。
答案:BA.错摩尔质量在数值上和相对分子质量相等,单位不同C.错H2SO4的摩尔质量是98 g/molD.错1 mol H2的质量是2 g